Information

How do you identify a faulty hydraulic pump or ...

The symptoms are similar, but there is a large price difference between a pump and a cylinder. Based on what you hear and see, you determine which part is causing...

How do I measure my hydraulic hose? AF1.8, DN2....

AF1.8, DN2.0, outer diameter 4.5 mm: most incorrect orders occur because the hose is not accurately measured. What the codes on your hose mean, how to measure correctly with calipers,...

Rubbers and seals of your convertible roof: why...

Dried-out rubber seals let in water, stick, and make the roof heavier. The damage only becomes visible much later, and then usually to the electronics. Here's how to keep your...

Manually opening or closing your convertible ro...

Your roof is half open and it's going to rain. Almost every convertible has an emergency provision to close the roof manually, but it's often well hidden. Here's how it...

Repair kit or new custom-made hose? How to choo...

Is your hydraulic hose leaking? Then the question is whether you can only replace the broken part or whether you need a complete new hose. Four questions will lead you...

Convertible top opens slowly or stops halfway: ...

A roof that moves slowly or gets stuck halfway rarely indicates a hard fault, and that's precisely what makes it difficult to diagnose. We list the six most common causes,...